Application of carbon nano tube in polyethylene fiber composite weftless fabric
A polyethylene fiber and carbon nanotube technology, which is applied in the direction of hydrocarbon copolymer adhesives, single-component polyolefin artificial filaments, non-woven fabrics, etc., can solve the impact of composite non-woven fabrics on comprehensive performance and comprehensive mechanical strength Poor, increased load and other problems, to achieve the effect of excellent anti-shock performance, blunt impact force, and improve heat resistance
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[0027] Example 1
[0028] Immerse 2g of carbon nanotubes in a mixed solution of 100ml of sulfuric acid and potassium permanganate, and treat them at reflux temperature for 1.5 hours. The concentration of potassium permanganate in sulfuric acid is 5g / 100ml; combine 2g of purified carbon nanotubes with The butyl titanate coupling agent was refluxed in ethanol for 2 hours to obtain carbon nanotubes grafted with the coupling agent. The concentration of the titanate coupling agent in the ethanol was 0.03 g / ml.
[0029] Mix a certain amount of carbon nanotubes with the adhesive, stir at 60-80°C for 1-2h, and defoam in vacuum. The reinforced UHMWPE fiber is wound in parallel on a winder, and then glue is applied to the UHMWPE fiber (or the UHMWPE fiber is immersed in the adhesive). The number of glue application is 1-2 times, pay attention to the glue application evenly. The adhesive used in this embodiment is KRATON G-1650, which is dissolved in a mixed solvent (hexane: diethyl ether: e...
Example Embodiment
[0031] Example 2
[0032] Except for the addition of carbon nanotubes at 2g / m 2 Except for the weftless fabric, everything else is the same as in Example 1, and a composite weftless fabric is obtained.
[0033] Bulletproof effect: 40 layers, 450mm×450mm AD=160g / m 2 UD materials are neatly superimposed on the target frame backed by cement, using 51-type ordinary bullets, according to the US 662EV 50 Test standard, V is measured with 51 type long barrel and 51 type ordinary bullet (lead core bullet) 50 ≥557m / s.
Example Embodiment
[0034] Example 3
[0035] Except that no carbon nanotubes are added, a certain amount of organic montmorillonite is mixed with the adhesive at a mixing ratio of 1:19, stirred at 60-80°C for 1-2h, and vacuum degassing, everything else is the same as in Example 1. The composite non-weft fabric was prepared. The blending amount of montmorillonite is 4.6g / m 2 Weftless cloth.
[0036] Bulletproof effect: 40 layers, 450mm×450mm AD=160g / m 2 UD materials are neatly superimposed on the target frame backed by cement, using 51-type ordinary bullets, according to the US 662EV 50 Test standard, V is measured with 51 type long barrel and 51 type ordinary bullet (lead core bullet) 50 ≥580m / s.
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